Atom Structure Quiz
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Atom Structure Quiz

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@InventiveJasper5353

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Questions and Answers

Who identified the presence of the electron in an atom?

  • Niels Bohr
  • E. Goldstein
  • J.J. Thomson (correct)
  • Ernest Rutherford

    • What did E. Goldstein discover in 1886 in a gas discharge?

  • Neutrons
  • Positrons
  • Canal rays (correct)
  • Protons

    • What is the mass of the sub-atomic particle discovered by E. Goldstein?

  • Approximately half the mass of an electron
  • Approximately 2000 times the mass of an electron (correct)
  • Approximately 100 times the mass of an electron
  • Approximately equal to the mass of an electron

    • What did E. Goldstein call the positively charged radiations discovered in a gas discharge?

    <p>Canal rays</p> Signup and view all the answers

    What was the charge of the sub-atomic particle discovered by E. Goldstein?

    <p>Equal in magnitude but opposite in sign to that of the electron</p> Signup and view all the answers

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